US11742685B2 - Charger and charging method - Google Patents

Charger and charging method Download PDF

Info

Publication number
US11742685B2
US11742685B2 US17/309,390 US201917309390A US11742685B2 US 11742685 B2 US11742685 B2 US 11742685B2 US 201917309390 A US201917309390 A US 201917309390A US 11742685 B2 US11742685 B2 US 11742685B2
Authority
US
United States
Prior art keywords
battery
charging
contact
connection state
voltage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US17/309,390
Other languages
English (en)
Other versions
US20220029445A1 (en
Inventor
Takashi Kanou
Kenji Kitamura
Yasunari Mizoguchi
Takeshi Yoshida
Michiko Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FDK Corp
Original Assignee
FDK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FDK Corp filed Critical FDK Corp
Assigned to FDK CORPORATION reassignment FDK CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MIZOGUCHI, YASUNARI, YOSHIDA, TAKESHI, KANOU, TAKASHI, KITAMURA, KENJI, SATO, MICHIKO
Publication of US20220029445A1 publication Critical patent/US20220029445A1/en
Application granted granted Critical
Publication of US11742685B2 publication Critical patent/US11742685B2/en
Active legal-status Critical Current
Adjusted expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/269—Mechanical means for varying the arrangement of batteries or cells for different uses, e.g. for changing the number of batteries or for switching between series and parallel wiring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306—Overdischarge protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
  • Protection Of Static Devices (AREA)
US17/309,390 2018-12-07 2019-09-20 Charger and charging method Active 2040-07-06 US11742685B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018230156A JP7084290B2 (ja) 2018-12-07 2018-12-07 充電器及び充電方法
JP2018-230156 2018-12-07
PCT/JP2019/036873 WO2020115991A1 (ja) 2018-12-07 2019-09-20 充電器及び充電方法

Publications (2)

Publication Number Publication Date
US20220029445A1 US20220029445A1 (en) 2022-01-27
US11742685B2 true US11742685B2 (en) 2023-08-29

Family

ID=70975021

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/309,390 Active 2040-07-06 US11742685B2 (en) 2018-12-07 2019-09-20 Charger and charging method

Country Status (5)

Country Link
US (1) US11742685B2 (ja)
EP (1) EP3893354B1 (ja)
JP (1) JP7084290B2 (ja)
CN (1) CN113169568A (ja)
WO (1) WO2020115991A1 (ja)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0739076A (ja) 1993-07-22 1995-02-07 Brother Ind Ltd 無極性充電器
JPH07298508A (ja) 1994-04-25 1995-11-10 Daihatsu Motor Co Ltd バッテリ充電装置の充電時間制御装置
JPH08172727A (ja) 1994-12-19 1996-07-02 Nissan Motor Co Ltd 組電池の保護装置
JPH11275771A (ja) 1998-03-24 1999-10-08 Nippon Soken Inc 電源供給回路
JP2002191136A (ja) 2000-12-19 2002-07-05 Sumitomonacco Materials Handling Co Ltd バッテリ充電装置
US20100283623A1 (en) * 2008-11-28 2010-11-11 Jeffrey Baxter Low-Voltage Connection with Safety Circuit and Method for Determining Proper Connection Polarity
JP2013005569A (ja) 2011-06-15 2013-01-07 Fujitsu Telecom Networks Ltd 充放電制御装置と充放電制御装置の動作方法
JP2018153034A (ja) 2017-03-14 2018-09-27 Fdk株式会社 電池接続判定回路、充電装置、電子機器
US20190359078A1 (en) * 2018-05-24 2019-11-28 Toyota Jidosha Kabushiki Kaisha Vehicle power supply device and method for controlling vehicle power supply device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1138768A (zh) * 1995-06-20 1996-12-25 明碁电脑股份有限公司 电池充电器
JP2001251771A (ja) * 2000-03-07 2001-09-14 Hitachi Maxell Ltd 充電電池あるいは充電電池パック、これらのいずれかを有する電子装置
JP2005110389A (ja) * 2003-09-30 2005-04-21 Atsuaki Kumagai 充電器
CN100555825C (zh) * 2007-01-11 2009-10-28 鸿富锦精密工业（深圳）有限公司 电极转换电路
CN101222146A (zh) * 2007-01-12 2008-07-16 曹先国 电池充电器集成电路
CN201113409Y (zh) * 2007-09-20 2008-09-10 徐建华 一种用于充电器的极性转换电路
JP6674318B2 (ja) * 2016-05-16 2020-04-01 株式会社マキタ バッテリ装置
CN108494057A (zh) * 2017-11-05 2018-09-04 杨春晓 铅酸蓄电池或电池组充放电装置
JP7227445B2 (ja) * 2018-12-06 2023-02-22 Fdk株式会社 電池極性判定回路、充電器、及び電子機器

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0739076A (ja) 1993-07-22 1995-02-07 Brother Ind Ltd 無極性充電器
JPH07298508A (ja) 1994-04-25 1995-11-10 Daihatsu Motor Co Ltd バッテリ充電装置の充電時間制御装置
JPH08172727A (ja) 1994-12-19 1996-07-02 Nissan Motor Co Ltd 組電池の保護装置
JPH11275771A (ja) 1998-03-24 1999-10-08 Nippon Soken Inc 電源供給回路
JP2002191136A (ja) 2000-12-19 2002-07-05 Sumitomonacco Materials Handling Co Ltd バッテリ充電装置
US20100283623A1 (en) * 2008-11-28 2010-11-11 Jeffrey Baxter Low-Voltage Connection with Safety Circuit and Method for Determining Proper Connection Polarity
JP2013005569A (ja) 2011-06-15 2013-01-07 Fujitsu Telecom Networks Ltd 充放電制御装置と充放電制御装置の動作方法
JP2018153034A (ja) 2017-03-14 2018-09-27 Fdk株式会社 電池接続判定回路、充電装置、電子機器
US20190359078A1 (en) * 2018-05-24 2019-11-28 Toyota Jidosha Kabushiki Kaisha Vehicle power supply device and method for controlling vehicle power supply device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Extended European Search Report dated Jul. 26, 2022, received for corresponding European Application No. 19893277.4, pp. 7.
International Search Report and Written Opinion dated Nov. 26, 2019, for corresponding PCT Application No. PCT/JP2019/036873.

Also Published As

Publication number Publication date
EP3893354A4 (en) 2022-08-24
CN113169568A (zh) 2021-07-23
JP2020092566A (ja) 2020-06-11
US20220029445A1 (en) 2022-01-27
EP3893354A1 (en) 2021-10-13
WO2020115991A1 (ja) 2020-06-11
JP7084290B2 (ja) 2022-06-14
EP3893354B1 (en) 2023-11-08

Similar Documents

Publication Publication Date Title
US8203309B2 (en) Battery pack, and battery system
CN107894567B (zh) 电池包以及电池包接口状态的检测系统和检测方法
JP5092812B2 (ja) 組電池の監視装置および故障診断方法
CN108028536B (zh) 电池监视装置
CN112655131B (zh) 蓄电装置和充电方法
JP6370137B2 (ja) 充放電制御回路及びバッテリ装置
CN108736536B (zh) 充放电控制电路和电池装置
CN102055221A (zh) 电池组
JP2009043554A (ja) 電池パック、充電装置、及び充電システム
US20120032513A1 (en) Battery management circuit, battery module and battery management method
JP2009254165A (ja) 電池状態検出回路、電池パック、及び充電システム
JP3239794B2 (ja) 電池パックの充電器
KR20110043473A (ko) 배터리 상태 감시 회로 및 배터리 장치
US11742685B2 (en) Charger and charging method
US11936223B2 (en) Battery polarity determination circuit, charger, and electronic device
EP2216873A2 (en) Battery state monitoring circuit and battery device
EP3993263A1 (en) Device and method for controlling fet
CN102111000B (zh) 电池状态监视电路及电池装置
US20160156211A1 (en) Battery charging method and battery pack using the same
CN113169564A (zh) 电池组及电气设备系统
CN113767571B (zh) Fet控制装置和方法
US20220368141A1 (en) Secondary battery protection circuit, battery pack, battery system, and method for protecting secondary battery
CN112994140A (zh) 充放电控制装置以及电池装置
JP2004039333A (ja) 組電池の異常検出装置
JPH1169641A (ja) 電源回路

Legal Events

Date Code Title Description
AS Assignment

Owner name: FDK CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KANOU, TAKASHI;KITAMURA, KENJI;MIZOGUCHI, YASUNARI;AND OTHERS;SIGNING DATES FROM 20210311 TO 20210323;REEL/FRAME:056354/0699

FEPP Fee payment procedure

Free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONS

STCF Information on status: patent grant

Free format text: PATENTED CASE